Lens barrel with biasing member positioned between two annular m

Details Lens barrel with biasing member positioned between two annular m Lens barrel with biasing member positioned between two annular m

1993-11-01

1995-09-26

Sugarman, Scott J.

Optical: systems and elements

Lens

With variable magnification

359696, 359703, 359704, G02B 702, G02B 1514

Patent

active

054538793

ABSTRACT:
A lens barrel is provided having a lens system, and two annular members that are engaged and rotatable relative to one another, with one of the annular members being arranged inside of the other. A lens group is connected to one of the two annular members, and a biasing mechanism for forcing the two annular members into flush tangential contact is provided. A line of contact of the two annular members is substantially parallel to an optical axis of the lens system.

REFERENCES:
patent: 5191478 (1993-03-01), Horiguchi
patent: 5225938 (1993-07-01), Nomura
patent: 5239417 (1993-08-01), Eguchi

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